[1] Department of Materials Engineering, I-Show University, 1 Hsuch-Cheng Road, Section 1, Ta-Hsu, Kaohsiung, Taiwan
[2] Dept. of Materials Science and Eng., National Chen Kung University, 1 Ta-Huseh Road, Tainan 70101, Taiwan
[3] Department of Mechanical Engineering, Natl. Kaohsiung Univ. Applied Sci., 415 Chien-Kung Road, Kaohsiung 80782, Taiwan